# Constants
ErrDeletingTopic is returned when a topic cannot be deleted.
ErrNotMessageAtOffset is returned when there is no message at the given offset.
ErrOffsetGreaterThanLatest is returned when an offset is greater than the latest offset in the topic.
ErrTopicAlreadyExists is returned when a topic already exists in the database.
ErrTopicIsEmpty is returned when a topic is empty.
ErrTopicNotFound is returned when a topic is not found in the database.
# Variables
ErrDeletingTopic is returned when a topic cannot be deleted.
ErrNotMessageAtOffset is returned when there is no message at the given offset.
ErrOffsetGreaterThanLatest is returned when an offset is greater than the latest offset in the topic.
ErrTopicAlreadyExists is returned when a topic already exists in the database.
ErrTopicIsEmpty is returned when a topic is empty.
ErrTopicNotFound is returned when a topic is not found in the database.